Streaming a response with Express.js

streamer.js

var express = require('express')

var app = express()

app.listen(1337)

app.all('/stream/:chunks', function (req, res, next) {

  res.writeHead(200, {
    'Content-Type': 'text/plain',
    'Transfer-Encoding': 'chunked'
  })

  // set default chunks to 10
  var chunks = req.params.chunks || 10

  // max out chunks at 100
  if (chunks > 100) chunks = 100

  var count = 1

  while (count <= chunks) {
    res.write(JSON.stringify({
      type: "stream",
      chunk: count++
    })+'\n')
  };

  res.end()
  next()
});